package com.dreamthen.service;

/**
 * @Author zengms
 * @Date 2023-10-26 09:16:46
 **/
public interface ICalculator {

    public Integer add(Integer i, Integer j);
    public Integer sub(Integer i, Integer j);
    public Integer mul(Integer i, Integer j);
    public Integer div(Integer i, Integer j);
}
